11101020220000 has 120 divisors (see below), whose sum is σ = 27312533735256. Its totient is φ = 4440024576000.

The previous prime is 11101020219899. The next prime is 11101020220027. The reversal of 11101020220000 is 2202010111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 391045807 + ... + 391074193.

Almost surely, 2^{11101020220000} is an apocalyptic number.

11101020220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11101020220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13656266867628).

11101020220000 is an abundant number, since it is smaller than the sum of its proper divisors (16211513515256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101020220000 is an equidigital number, since it uses as much as digits as its factorization.

11101020220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47970 (or 47947 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11101020220000 its reverse (2202010111), we get a palindrome (11103222230111).

The spelling of 11101020220000 in words is "eleven trillion, one hundred one billion, twenty million, two hundred twenty thousand".